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HelpContextID Property

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Specifies a context ID for a topic in a Help file to provide context-sensitive Help for the object. Available at design time and run time.

Object.HelpContextID[ = nContextID]

Property Values

  • nContextID
    Specifies the context ID number of a topic in a graphical-style or .dbf-style Help file. The valid range for context ID numbers is range 0 to 268,435,455.

Remarks

To create context-sensitive Help for an object in your application, you must assign the same context number to both the object and the associated Help topic when you create the Help file.

If you have created graphical-style or .dbf-style Help for your application, Visual FoxPro calls the Help file and requests the topic identified by the current context ID number. You can specify a Help file with SET HELP TO, and you can specify a key to activate the Help file with ON KEY LABEL. The Help compiler required to create graphical-style help is included with Visual FoxPro.

The current context ID number is the setting of the HelpContextID property for the object that has the focus. If a nonzero current context number is not found, the main contents screen of the Help file is displayed.

For a server object, the HelpContextID property specifies the context ID for the type library created for the server. The ServerHelpFile property specifies the Help file containing the help topic corresponding to the context ID.

See Also

ServerHelpFile Property | SET HELP | SET TOPIC

Applies To: CheckBox | ComboBox | CommandButton | CommandGroup | EditBox | Form | Grid | Image | Label | Line | ListBox | OLE Bound Control | OLE Container Control | OptionButton | OptionGroup | Page | _SCREEN | Server Object | Shape | Spinner | TextBox | ToolBar